Hello everybody,
I'll try to describe the issue very brief and will add further info, if
needed/requested.
Prerequesties
Qt 4.8.7 (upgrade is not an option)
built with gcc-7.3.1 for an imx25 board
linux kernel 4.17.19
the need to use "attach" and "detach" inside transactions and therefor
using "-
system-sqlite" with a newer version of libsqlite (greater than 3.21.0 released
on 2017-10-
24)
Description / observed behavior
The code that uses "attach" and "detach" inside transactions runs every 15min
(copies data
from in-memory sqlite files to sqlite files on persistent storage). This is
never reached,
since the system is restarted via watchdog every (roundabout) 10 minutes. In
this time
the system collection various data from various I/O.
Qt with built in sqlite (3.7.7.1) -> system works as expected
Qt with '-system-sqlite' and libsqlite 3.7.7.1 -> system works as expected
Qt with '-system-sqlite' and libsqlite 3.21.0 -> system slows down till
reboot via
watchdog
Qt with '-system-sqlite' and libsqlite 3.24.0 -> system slows down till
reboot via
watchdog
Are there any known incompatibilites between Qt and libsqlite versions?
Or maybe compilte time flags that could should be added?
Any suggestions howto enclose the issue?
Thx for your time and interest.
Best regards
Thorsten
--
Thorsten Scherer | Eckelmann AG | www.eckelmann.de |
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